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The difference between PHP function eregi() and ereg() in practical applications_PHP tutorial

WBOYOriginal: 2016-07-15 13:30:161095browse

How to apply function eregi(). In fact, the usage of the PHP function eregi() is basically the same as ereg(). What we are going to talk about today is the difference between it and the ereg() function.
The following is an example to illustrate the difference between the PHP functions eregi() and ereg():

Look for the capital letter C in abcdef
```
<ol class="dp-xml"><li class="alt">< ?php <LI>if (ereg("C","abcdef")){ <LI class=alt> echo "通过"; <LI>}else{ <LI class=alt> echo "错误"; <LI>} <LI class=alt>?> </li></ol>
```
//Return The result is: Error
```
<ol class="dp-xml"><li class="alt">< ?php <LI>if (eregi("C","abcdef")){ <LI class=alt> echo "通过"; <LI>}else{ <LI class=alt> echo "错误"; <LI>} <LI class=alt>?> </li></ol>
```
//The return result is:

ereg() is case-sensitive, and the PHP function eregi() is case-independent.

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